Producto n° 6498
JACKS Jacks - The Duff-Norton Jack product line includes heavy duty lifting devices with capacities to 150 tons. The Air Motor Jack product line consists of seven models with capacities from 20 to 100 tons. Bossman™ Hydraulic Jacks are available in 50, 100, and 150 ton capacity ratings. The Little Devil Jack product offering includes hydraulic toe, bottle, and mini jacks with capacities ranging from 2 to 100 tons. Duff-Norton Jacks are used in a wide variety of applications in the railroad, mining, construction, and shipbuilding industries.
Air Motor Jacks
Duff-Norton Air Motor Jacks are offered in seven models from 20 ton to 100 ton. These precision built, sturdy, dependable machines employ the time-tested basic screw principle with fool-proof, built-in rotary air motor. Can be synchronized for simultaneous operation of two jacks through use of a "Y' connection. Used for aising and lowering freight cars, diesel locomotives and truck trailers.
Features Manufactured in compliance with ASME B30.1 Easy to move and spot with long transport handle and collapsible spotting handles Up or down hand throttle control well guarded. Position of lever clearly indicates direction up or down Sturdy shell with large diameter base for stability under top-heavy loads 10" diameter, 2 1/2" face solid rubber-tire roller bearing wheels assure easy portability Transport handle folds down and out of the way when jack is in use Automatic shut off stops the motor when the lifting standard reaches the safe limit of its raised or lowered position Screen in air hose connection easily removed for cleaning Easy to lubricate through two convenient plugs in jack and one in air motor Built in muffler Ball bearing thrust and radial mountings throughout for easy action and long life
Safety Features A brake is provided on 50 and 100 ton jacks to prevent accidental lowering The load is lowered entirely, as well as raised, by air motor so that the lowering speed is always under constant control, preventing slippin!;j or sudden dropping of the load The design of the jack prevents lowering or creeping under load in case of air failure due to disconnection or injury to the hose Jacks are internally keyed to prevent standard from turning Broad, sturdy base for stability Serrated forged steel top
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